Despite a high-profile visit to China by a team of international experts in January, the world is no closer to knowing the origins of Covid-19, according to one of the authors of an open letter calling for a new investigation.
Vaccines expert Nikolai Petrovsky of Flinders University, one of 26 global experts who signed the open letter, published Friday, said “at this point we are no further advanced” than a year ago.
“Based on our analysis, and as confirmed by the global study convened by…
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